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If the user only had the default db, then migrate to the new default

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We also check if the new default is bigger than or equal to the
previous one.

Flag: ACONFIG enable_grid_migration_fix enabled
Flag: ACONFIG enable_narrow_grid_restore enabled
Bug: 325286145
Bug: 325285743
Test: BackupAndRestoreDBSelectionTest.kt
Test: GridMigrationTest.kt
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:12678a536b747279bb7ce04557696aae6725ce33)
Merged-In: I98315a4e4c112ca96a74200dd76016803dfaf820
Change-Id: I98315a4e4c112ca96a74200dd76016803dfaf820
This commit is contained in:
Sebastian Franco
2024-04-10 10:22:49 -07:00
committed by Cherrypicker Worker
parent 7b46e1145c
commit 1edaf75ad9
1 changed files with 29 additions and 12 deletions
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src/com/android/launcher3/provider/RestoreDbTask.java
+29 -12
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@@ -75,9 +75,11 @@ import com.android.launcher3.util.ContentWriter;
import com.android.launcher3.util.IntArray;
import com.android.launcher3.util.LogConfig;
import java.io.File;
import java.io.InvalidObjectException;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@@ -125,37 +127,52 @@ public class RestoreDbTask {
if (Flags.enableNarrowGridRestore()) {
String oldPhoneFileName = idp.dbFile;
List<String> previousDbs = existingDbs();
removeOldDBs(context, oldPhoneFileName);
// The idp before this contains data about the old phone, after this it becomes the idp
// of the current phone.
idp.reset(context);
trySettingPreviousGidAsCurrent(context, idp, oldPhoneFileName);
trySettingPreviousGidAsCurrent(context, idp, oldPhoneFileName, previousDbs);
} else {
idp.reinitializeAfterRestore(context);
}
}
/**
* Try setting the gird used in the previous phone to the new one. If the current device doesn't
* support the previous grid option it will not be set.
*/
private static void trySettingPreviousGidAsCurrent(Context context, InvariantDeviceProfile idp,
String oldPhoneDbFileName) {
InvariantDeviceProfile.GridOption gridOption = idp.getGridOptionFromFileName(context,
oldPhoneDbFileName);
if (gridOption != null) {
String oldPhoneDbFileName, List<String> previousDbs) {
InvariantDeviceProfile.GridOption oldPhoneGridOption = idp.getGridOptionFromFileName(
context, oldPhoneDbFileName);
// The grid option could be null if current phone doesn't support the previous db.
if (oldPhoneGridOption != null) {
/* If the user only used the default db on the previous phone and the new default db is
* bigger than or equal to the previous one, then keep the new default db */
if (previousDbs.size() == 1 && oldPhoneGridOption.numColumns <= idp.numColumns
&& oldPhoneGridOption.numRows <= idp.numRows) {
/* Keep the user in default grid */
return;
}
/*
* We do this because in some cases different devices have different names for grid
* options, in one device the grid option "normal" can be 4x4 while in other it
* could be "practical". Calling this changes the current device grid to the same
* we had in the other phone, in the case the current phone doesn't support the grid
* option we use the default and migrate the db to the default. Migration occurs on
* {@code GridSizeMigrationUtil#migrateGridIfNeeded}
* Here we are setting the previous db as the current one.
*/
idp.setCurrentGrid(context, gridOption.name);
idp.setCurrentGrid(context, oldPhoneGridOption.name);
}
}
/**
* Returns a list of paths of the existing launcher dbs.
*/
private static List<String> existingDbs() {
// At this point idp.dbFile contains the name of the dbFile from the previous phone
return LauncherFiles.GRID_DB_FILES.stream()
.filter(dbName -> new File(dbName).exists())
.toList();
}
/**
* Only keep the last database used on the previous device.
*/